23 Mar 2008 02:40:27 UTC
- Distribution: Courier-Filter
- Module version: v0.200.0
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- License: perl_5
- Perl: v5.8.0
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- This version
- Latest versionJMEHNLE Julian Mehnle
- SEE ALSO
Courier::Message - Class implementing an interface to a mail message in the Courier MTA's message queue.
use Courier::Message; my $message = Courier::Message->new( file_name => $message_file_name, control_file_names => \@control_file_names, ); # File names: my $message_file_name = $message->file_name; my @control_file_names = $message->control_file_names; # Message data properties: my $raw_message_text = $message->text; my $header_hash = $message->header; my $header_field = $message->header($field); my $raw_body = $message->body; # Control properties: my $control_hash = $message->control; my $is_authenticated = $message->authenticated; my $authenticated_user = $message->authenticated_user; my $is_trusted = $message->trusted; my $sender = $message->sender; my @recipients = $message->recipients; my $remote_host = $message->remote_host; my $remote_host_name = $message->remote_host_name;
Courier::Message encapsulates a mail message that is stored in the Courier MTA's message queue, including the belonging control file(s), and provides an easy to use, read-only interface through its message data and control properties. For light-weight calling of library functions or external commands, the message and control file names may be retrieved without causing the files to be parsed by Courier::Message.
The following constructor is provided:
- new(%options): returns Courier::Message
Creates a new
Courier::Messageobject from the given message file name and zero or more control file names.
%options is a list of key/value pairs representing any of the following options:
Required. The absolute file name of the message file.
Required. An array-ref containing the absolute file name(s) of zero or more control files belonging to the message.
The following file name accessors are provided:
- file_name: returns string
Returns the absolute file name of the message file.
- control_file_names: returns list of string
Returns the absolute file names of the control files belonging to the message.
- text: returns string; throws Perl exceptions
- header: returns hash-ref of string
- header($field): returns list of string
Parses the message header once by doing the following: tries to interpret the header as UTF-8, falling back to the 8-bit legacy encoding Windows-1252 (a superset of ISO-8859-1) and decoding that to UTF-8; parses header fields from the header; and decodes any MIME encoded words in field values. If no field name is specified, returns a hash-ref containing all header fields and array-refs of their values. If a (case insensitive) field name is specified, in list context returns a list of the values of all header fields of that name, in the order they occurred in the message header, or in scalar context returns the value of the first header field of that name (or undef if no such header field exists).
- body: returns string
- control: returns hash-ref of string; throws Perl exceptions
- control($field): returns list of string; throws Perl exceptions
Reads and parses all of the message's control files once. If a (case sensitive) field name (i.e. record type) is specified, returns a list of the values of all control fields of that name, in the order they occurred in the control file(s). If no field name is specified, returns a hash-ref containing all control fields and array-refs of their values. Throws a Perl exception if any of the control files cannot be read.
- authenticated: returns boolean
Returns the authentication information (guaranteed to be a true value) if the message has been submitted by an authenticated user. Returns false otherwise.
Note: The authentication status and information is currently determined and taken from the message's first (i.e. the trustworthy) "Received" header field. This is guaranteed to work correctly, but is not very elegant, so this is subject to change. As soon as Courier supports storing the complete authentication info (including the authenticated user name) in a control field, that will be the preferred source. This mostly just means that the format of the authentication info will probably change in the future.
- authenticated_user: returns string
Returns the user name that was used for authentication during submission of the message. Returns undef if no authentication took place.
- trusted: returns boolean
Returns a boolean value indicating whether the message is trusted. Currently, trusted messages are defined to be messages directly submitted by an authenticated user. For details on how the authenticated status is determined, see the description of the
- sender: returns string
Returns the message's envelope sender (from the "MAIL FROM" SMTP command).
- recipients: returns list of string
Returns all of the message's envelope recipients (from the "RCPT TO" SMTP commands).
- remote_host: returns string
Returns the IP address of the SMTP client that submitted the message.
- remote_host_name: returns string
Returns the host name (gained by Courier through a DNS reverse lookup) of the SMTP client that submitted the message, if available.
- remote_host_helo: returns string
Returns the HELO string that the SMTP client specified, if available.
For AVAILABILITY, SUPPORT, and LICENSE information, see Courier::Filter::Overview.
Julian Mehnle <firstname.lastname@example.org>
Module Install Instructions
To install Courier::Filter, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install Courier::Filter
For more information on module installation, please visit the detailed CPAN module installation guide.